This paper aims at demonstrating how countries' dependency on natural resources plays a crucial role in urban concentration. The Zipf's Curve Elasticity is estimated for a group of countries and related to a set of indicators of unilateral transferences. Results show that in comparison to...

The objective of this paper is to define what problems the city of Angra do Heroísmo (Terceira Island, Azores) faces in what regards urban sustainability, so as to improve the quality of life of the residents and to ensure the adequate growth and progress of the city in all areas, as possible....

Huambo has central capacities able to compete and complement other major towns in Africa such as Johannesburg and Nairobi. Nevertheless, Huambo, the second city of Angola, was at war from 1975 till 2002 and continued to be relatively isolated from 2002 till 2006, because it took some time to...

When dealing with complex issues commonly found in Coastal Zones, there is a need to find an efficient assessment strategy of processes and their causes, as well as a method which could effectively promote a dialogue with the stakeholder affected by these processes. This dialogues is an...

Unemployment and migration are known effects of financial and economic crisis. This paper tries to understand the spatial patterns of those effects in a city and its surroundings considering the direct and induced impacts, the migration flows between the city, the surroundings and the outside...

The optimization of the location of public services in the villages and neighborhoods in the city of Huambo in Angola results in a hierarchical system of central places that can be calibrated to give different hierarchies according to the accessibility level. This result is achieved for 300...

São Tomé e Príncipe is a small insular country located in the Gulf of Guinea, populated by 160000 persons, living in 1000 square kilometers of a rainforest environment. The GDP pc is 1200 US$ per year, 50% of the economy is based in auto-consumption and the main engine of the remaining...